/* 基础重置和通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    background: #fff;
    line-height: 1;
    font-size: 14px;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    position: relative;
}

ul, ol {
    list-style: none;
}

a {
    color: #333;
    text-decoration: none;
    transition: all 0.4s ease-in-out;
}

a:hover {
    color: rgba(43, 139, 201, 1);
}

img {
    vertical-align: top;
    max-width: 100%;
    height: auto;
}

/* 布局类 */
.wrapper {
    width: 100%;
    margin: 0 auto;
}

.inner {
    width: 1200px;
    margin: 0 auto;
}

/* 页面头部 */
.page-header {
    background: url("../image/header/bg-header.png") no-repeat;
    background-size: cover;
}

.header-top {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    display: block;
}

.top-nav ul {
    display: flex;
    align-items: center;
}

.top-nav li {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 14px;
    color: #ffffff;
    line-height: 16px;
}

.top-nav a {
    display: flex;
    align-items: center;
    color: #ffffff;
}

.top-nav img {
    width: 12px !important;
    height: 12px !important;
    margin-right: 5px;
}

/* 主导航 */
.main-nav{
    height: 60px;
    background: #ffffff;
    box-shadow: 0 2px 2px 0 rgba(34, 51, 65, 0.12);
}

.nav-menu {
    display: flex;
    height: 60px;
    justify-content: space-between;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    height: 60px;
    line-height: 60px;
    padding: 0 10px;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: rgba(35, 61, 99, 1);
    transition: all 0.3s;
    position: relative;
}

.nav-menu > li > a:hover {
    color: rgba(43, 139, 201, 1);
    transform: translateY(-5px);
}

.nav-menu > li > a::before {
    position: absolute;
    content: "";
    width: 27px;
    height: 18px;
    background: url("../image/images/icon-bookline-27-blue.png") no-repeat;
    left: 50%;
    transform: translateX(-50%);
    bottom: 5px;
    display: none;
    transition: 0.6s all ease;
}

.nav-menu > li > a:hover::before {
    display: block;
}

.submenu {
    display: none;
    position: absolute;
    left: 0;
    top: 60px;
    min-width: 100%;
    z-index: 100;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.nav-menu li:hover .submenu {
    display: block;
}

.submenu li a {
    display: block;
    color: #333;
    font-family: PingFangSC, PingFang SC, sans-serif;
    padding: 8px 10px;
    font-size: 15px;
    font-weight: normal;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s;
}

.submenu li a:hover {
    color: #fff;
    background-color: #2b8bc9;
}

/* 轮播图 */
.banner {
    position: relative;
    overflow: hidden;
    height: 800px;
}

.banner ul {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
    margin: 0;
    padding: 0;
}

.banner li {
    min-width: 100%;
    height: 100%;
}

.banner figure {
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(34, 51, 65, 0.6);
    color: #fff;
    padding: 20px;
    font-size: 28px;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 600;
    text-align: center;
}

.banner .arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 78px;
    height: 100px;
    background-size: contain;
    background-repeat: no-repeat;
    z-index: 10;
    opacity: 0.7;
    transition: opacity 0.5s;
    text-decoration: none;
}

.banner .arrow:hover {
    opacity: 1;
}

.banner .prev {
    left: 0;
    background-image: url(../image/images/left-arrow.png);
}

.banner .next {
    right: 0;
    background-image: url(../image/images/right-arrow.png);
}

/* 快捷链接 */
.KJLJ {
    height: 156px;
    position: relative;
    top: -80px;
    background: #fff;
    background-size: cover;
    z-index: 9999;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-shadow: 0 2px 2px 0 rgba(34, 51, 65, 0.12);
}
.KJLJ li {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #1c1c1b;
    line-height: 21px;
    text-align: center;
    transition: 0.5s;
    -webkit-transition: 0.5s ease all;
    -moz-transition: 0.5s;
    -ms-transition: 0.5s;
    -o-transition: 0.5s;
}
.KJLJ li {
    position: relative;
}

.KJLJ li::before {
    position: absolute;
    content: "";
    width: 60px;
    height: 60px;
    background: linear-gradient(
            180deg,
            rgba(89, 182, 241, 0.94) 0%,
            rgba(94, 190, 252, 0) 100%
    );
    opacity: 0.6;
    border-radius: 50px;
    left: 50%;
    transform: translateX(-50%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.KJLJ li:hover::before {
    opacity: 0;
    transform: translateX(-50%) scale(1.2);
}

.KJLJ li:hover div {
    color: rgb(0, 64, 152);
    transition: color 0.3s ease;
}

.link-list li:hover::before {
    opacity: 0;
    transform: translateX(-50%) scale(1.2);
}

.link-list li:hover div {
    color: rgb(0, 64, 152);
    transition: color 0.3s ease;
}

/* 新闻区域 */
.news-section {
    background: url(../image/images/bg01.png) no-repeat;
    background-size: cover;
    padding-bottom: 70px;
    margin-top: -20px;
}

.news-section::before {
    content: "";
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    bottom: 0;
    background: url(../image/images/bg01.png) no-repeat;
    background-size: cover;
    z-index: -1;
}

.news-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.news-column {
    width: 49.4%;
}

.s1 {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 600;
    font-size: 30px;
    color: #181b20;
    line-height: 28px;
}
.s2 {
    font-family: PingFang-SC, PingFang-SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #2b8bc9;
    line-height: 18px;
    text-transform: uppercase;
}

.Title {
    margin-top: 8px;
    width: 286px;
    height: 4px;
    margin-bottom: 36px;
    background: linear-gradient(90deg, #4caae8 0%, rgba(94, 190, 252, 0) 100%);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    margin-bottom: 44px;
}

.section-header h2 {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 600;
    font-size: 30px;
    color: #181b20;
    line-height: 28px;
    margin-right: 10px;
}

.section-header span {
    font-family: PingFang-SC, PingFang-SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #2b8bc9;
    line-height: 18px;
    text-transform: uppercase;
}

.more a {
    display: block;
    width: 27px;
    height: 18px;
    background: url(../image/images/icon-arrow-more.png) no-repeat;
}
.more:hover a {
    display: block;
    width: 27px;
    height: 18px;
    background: url(../image/images/icon-arrow-more.png) no-repeat;
}

.news-list,
.video-list {
    margin-top: 20px;
}

.news-list li {
    padding: 15px;
    background: #ffffff;
    border-radius: 4px;
    margin-bottom: 8px;
    transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease;
}

.video-list li {
    padding: 15px;
    background: #f3f4f5;
    border-radius: 4px;
    margin-bottom: 8px;
    transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease;
}

.news-list li:hover,
.video-list li:hover {
    background: #004098;
    box-shadow: 1px 1px 6px 0 rgba(119, 90, 44, 0.1);
    border-radius: 4px;
    opacity: 0.92;
    backdrop-filter: blur(8px);
    transform: scale(1.05);
}

.news-list a,
.video-list a {
    display: flex;
    align-items: center;
}

.news-list time,
.video-list time {
    margin-right: 20px;
    width: 20%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 12px;
    color: #2b8bc9;
    line-height: 20px;
}

.news-list p,
.video-list p {
    width: 70%;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 15px;
    color: #231916;
    line-height: 21px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-list li:hover time,
.news-list li:hover p,
.video-list li:hover time,
.video-list li:hover p {
    color: #fff;
}

.new-date {
    margin-right: 20px;
    width: 20%;
}

.day {
    display: block;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 22px;
    color: #2b8bc9;
    line-height: 20px;
    text-align: center;
}
.year {
    display: block;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 12px;
    color: #2b8bc9;
    line-height: 20px;
    text-align: center;
}

/* 特色项目 */
.features {
    margin: 70px 0 40px;
    text-align: center;
}

.feature-header {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.feature-list {
    display: flex;
    align-items: center;
}

.feature-list li {
    position: relative;
    width: 179px;
    height: 360px;
    transition: width 1s ease;
}

.feature-list li a {
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
}

.feature-list li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-overlay {
    position: absolute;
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    width: 60px;
    height: 100%;
    left: 0;
    top: 0;
    text-align: center;
    background: linear-gradient(315deg, #4dabe8 0%, #407dce 42%, #004098 100%);
    opacity: 0.9;
    backdrop-filter: blur(0px);
}

.feature-overlay h3 {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 20px;
    color: #ffffff;
    line-height: 24px;
    writing-mode: vertical-rl;
    text-orientation: upright;
}

.feature-overlay span {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-size: 14px;
    color: #ffffff;
    line-height: 24px;
}

.feature-list li:not(.active) .feature-overlay {
    display: none;
}

.feature-list li:not(.active) {
    width: 179px;
}

.feature-list li.active {
    width: 467px;
}

/* 项目介绍 */
.programs {
    background: url(../image/images/bg2.jpg) no-repeat;
    background-size: cover;
    padding-top: 70px;
    height: 560px;
}

.program-container {
    display: flex;
    align-items: start;
    justify-content: space-between;
}

.program-item {
    width: 40%;
    position: relative;
    border-radius: 20px;
    padding: 30px;
}

.program-item header {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-bottom: 20px;
}

.program-item:nth-child(2) header {
    align-items: flex-start;
}

.program-item h2 {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 600;
    font-size: 30px;
    color: #ffffff;
    line-height: 34px;
    margin-top: 15px;
}

.program-item p {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 13px;
    color: #ffffff;
    line-height: 26px;
    margin-top: 35px;
}

.program-item .more-link1 {
    position: absolute;
    top: 30px;
    width: 81px;
    height: 35px;
    background: url(../image/images/btn-website.png);
    transition: background 0.3s;
}

.program-item .more-link1:hover {
    background: url(../image/images/btn-website-hover.png);
}

.program-item .more-link2 {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 81px;
    height: 35px;
    background: url(../image/images/btn-website.png);
    transition: background 0.3s;
}

.program-item .more-link2:hover {
    background: url(../image/images/btn-website-hover.png);
}

.program-item:nth-child(1)::before {
    position: absolute;
    content: "";
    width: 125px;
    height: 102px;
    background: url(../image/images/img2.png) no-repeat;
    right: -195px;
}

.program-item:nth-child(2)::before {
    position: absolute;
    content: "";
    width: 125px;
    height: 102px;
    background: url(../image/images/img1.png) no-repeat;
    left: -185px;
    top: 75%;
}

/* 视频区域 */
.main11 {
    background: #fff;
    border-radius: 24px;
    backdrop-filter: blur(0px);
    padding-top: 60px;
    padding-left: 30px;
    padding-right: 30px;
    position: relative;
    top: -125px;
}

.main1 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.video-section {
    background: #fff;
    padding: 50px 0;
}

.video-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.video-column {
    width: 49.4%;
}

.video-gallery {
    margin-top: 20px;
}

.main-video {
    width: 100%;
    height: 264px;
    position: relative;
    margin-bottom: 12px;
}

.main-video img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.main-video::before {
    position: absolute;
    content: "";
    width: 36px;
    height: 36px;
    background: url(../image/images/icon-play.png) no-repeat;
    z-index: 999;
    right: 10px;
    top: 10px;
}

.main-video:hover::before {
    background: url(../image/images/icon-play.png) no-repeat;
}

.video-title {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: #ffffff;
    line-height: 24px;
    padding: 20px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #001e47 100%);
    border-radius: 4px;
    position: absolute;
    bottom: 0;
    z-index: 999;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.side-videos {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.side-video {
    width: 49%;
    height: 128px;
    position: relative;
}

.side-video img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.side-video::before {
    position: absolute;
    content: "";
    width: 36px;
    height: 36px;
    background: url(../image/images/icon-play.png) no-repeat;
    z-index: 999;
    right: 10px;
    top: 10px;
}

.side-video:hover::before {
    background: url(../image/images/icon-play.png) no-repeat;
}

/* 页脚导航 */
.footer-nav {
    background: url(../image/images/bg-footer2.png) no-repeat;
    background-size:100% 96px;
    height: 96px;
    display: flex;
    align-items: center;
}

.footer-menu {
    display: flex;
    justify-content: space-between;
    height: 60px;
}

.footer-menu li a {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #fff;
    line-height: 60px;
    -webkit-transition: all 0.3s;
    border-top: 1px solid rgba(255, 255, 255, 0);
}

.footer-menu a {
    display: block;
    height: 60px;
    line-height: 60px;
    padding: 0 10px;
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #fff;
    transition: all 0.3s;
    border-top: 1px solid rgba(255, 255, 255, 0);
    position: relative;
}

.footer-menu li a::before {
    position: absolute;
    content: "";
    width: 27px;
    height: 18px;
    background: url(../image/images/icon-bookline-27.png) no-repeat;
    left: 50%;
    transform: translateX(-50%);
    bottom: 5px;
    display: none;
    transition: 0.6s all ease;
}

.footer-menu a:hover::before {
    display: block;
}

.footer-menu li a:hover {
    transform: translateY(-5px);
}


/* 页脚 */
.page-footer {
    background: url(../image/images/bg-footer.png) no-repeat;
    background-size: cover;
    padding-bottom: 88px;
}

.footer-content {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 48px;
    padding-bottom: 30px;
}

.footer-columns {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-column h3 {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: #ffffff;
    line-height: 50px;
}

.footer-column ul li,
.footer-column address {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 40px;
}

.footer-column a:hover {
    color: #fff;
    text-decoration: underline;
}

.qr-text p {
    font-family: PingFangSC, PingFang SC, sans-serif;
    font-weight: 400;
    font-size: 14px;
    color: #ebf4ff;
    line-height: 20px;
    margin-top: 20px;
}

.qr-column {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 40%;
}

.qr-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.qr-item img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}
